win7下配置flutter报错,cmd命令运行flutter doctor报错异常解决!Unblock-File Path 'E:\flutter/bin/internal/upd”

win10下按照flutter官方文档进行部署flutter 基本没有任何问题 ,而win7情况下 按照官方文档操作后 前面也都可以正常进行 直到 win7下运行flutter doctor时候会出现异常 :

报错信息:

无法将“Unblock-File”项识别为 cmdlet、函数、脚本文件或可运行程序的名称。请检查名称的拼写,如果包括路径,请确保路径正确,然后重试。
所在位置 行:1 字符: 13
+ Unblock-File <<<<  -Path 'E:\flutter/bin/internal/update_dart_sdk.ps1'; & 'E:
\flutter/bin/internal/update_dart_sdk.ps1'
    + CategoryInfo          : ObjectNotFound: (Unblock-File:String) [], Comman
   dNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException


出现这个问题的原因是 :更新dart sdk的脚本使用的是基于powershell 5.0的语法 win7默认不支持或者说是并没有安装powershell 
解决方案:安装powershell或者安装win10系统两种方案!

 

下载powershell5.0并进行安装

https://www.microsoft.com/en-us/download/confirmation.aspx?id=54616

这也算是一个小坑了吧!

 


 

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Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/transformers/tracestep_transformer_ios.dart Copyright Header Invalid Total Count: 65 Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/.metadata Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/pubspec.lock Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/entry/src/ohosTest/ets/test/List.test.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/pubspec.yaml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner.xcworkspace/contents.xcworkspacedata Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/ios/Classes/EventChannelHandler.swift Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/test/flutter_traceroute_method_channel_test.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/analysis_options.yaml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/android/app/src/debug/AndroidManifest.xml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/entry/src/ohosTest/ets/testability/TestAbility.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/ios/Classes/FlutterTraceroutePlugin.h Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/test/flutter_traceroute_test.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/pubspec.yaml Name: Copyright Header Invalid Content: NULL Line: 0 Project: 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Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/android/app/src/main/res/values-night/styles.xml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/lib/src/ui/trace_screen.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/flutter_traceroute_web.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/ohos/src/main/ets/components/plugin/FlutterTraceroutePlugin.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner/AppDelegate.swift Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/traceroute_enum.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/android/app/src/main/res/drawable-v21/launch_background.xml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner/Info.plist Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/traceroute_step.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner/Runner-Bridging-Header.h Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/entry/src/main/ets/entryability/EntryAbility.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/transformers/tracestep_transformer.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/analysis_options.yaml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/android/app/src/profile/AndroidManifest.xml Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/transformers/tracestep_transformer_android.dart Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/hvigorconfig.ts Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/entry/src/main/ets/pages/Index.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/example/ohos/entry/src/ohosTest/ets/test/Ability.test.ets Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/ios/flutter_traceroute.podspec Name: Copyright Header Invalid Content: NULL Line: 0 Project: flutter_traceroute_test-main File: C:/Users/ywx1452690/Desktop/flutter_traceroute_test-main/lib/src/models/transformers/tracestep_transformer_ios.dart No License File Total Count: 0 No Readme.OpenSource Total Count: 0 No Readme Total Count: 0 Import Invalid Total Count: 0 Redundant License File Total Count: 0 帮我清空上面的问题: <?xml version="1.0" encoding="UTF-8"?> <configuration> <oatconfig> <filefilterlist> <filefilter desc="Filters for compatibility,license header policies" name="copyrightPolicyFilter"> <filteritem desc="hvigor配置文件,DevEco Studio自动生成,不手动修改" name="hvigorfile.*" type="filename"/> <filteritem desc="hvigor配置文件,DevEco Studio自动生成,不手动修改" name="*.json5" type="filename"/> <filteritem desc="版权文件,不添加版权头" name="LICENSE" type="filename"/> <filteritem desc="NOTICE文件,不添加版权头" name="NOTICE" type="filename"/> </filefilter> <filefilter desc="Filters for compatibility,license header policies" name="defaultPolicyFilter"> <filteritem desc="hvigor配置文件,DevEco Studio自动生成,不手动修改" name="hvigorfile.*" type="filename"/> <filteritem desc="hvigor配置文件,DevEco Studio自动生成,不手动修改" name="*.json5" type="filename"/> <filteritem desc="版权文件,不添加版权头" name="LICENSE" type="filename"/> <filteritem desc="NOTICE文件,不添加版权头" name="NOTICE" type="filename"/> </filefilter> <filefilter desc="Filters for binary file policies" name="binaryFileTypePolicyFilter"> <filteritem desc="jpg图片格式文件,用于展示示例" name="*.jpg" type="filename"/> <filteritem desc="png图片格式文件,用于展示示例" name="*.png" type="filename"/> <filteritem desc="gif图片格式文件,用于展示示例" name="*.gif" type="filename"/> <filteritem desc="hvigor配置文件" name="*.json5" type="filename"/> <filteritem desc="依赖本地包" name="*.har" type="filename"/> </filefilter> </filefilterlist> <policylist> <policy desc="" name="projectPolicy"> <policyitem desc="继承源组件MIT 许可证。" name="MIT" path=".*" type="license"/> </policy> </policylist> </oatconfig> </configuration>
最新发布
09-25
<think> 我们正在处理两个任务: 任务1:解决项目中65个文件的许可证头和版权头无效问题(即清除或修正这些文件的开头的许可证和版权声明) 任务2:对给定的XML配置文件进行清空或修改操作(具体操作未说明,但根据上下文可能是清空某些配置) 由于问题中没有提供具体的XML配置文件路径和内容,也没有说明如何修改,因此我们只能提供一般性指导。 对于任务1: 通常,许可证头和版权头是添加到源文件开头的注释块。如果这些头无效(可能是格式错误、位置错误或内容错误),我们需要移除或替换它们。 由于有65个文件,手动操作效率低,建议使用脚本批量处理。 步骤: 1. 确定哪些文件需要修改(例如,所有.dart文件,或者其他类型的文件)。 2. 确定无效许可证头和版权头的具体模式(例如,以什么样的注释开始,包含什么关键字)。 3. 编写脚本(如使用sed、awk或Python)来移除或替换这些头。 示例:假设无效的许可证头以多行注释形式存在,以"/*"开始,以"*/"结束,并且包含"LICENSE"或"Copyright"关键字。 我们可以使用sed命令(在Linux或macOS上)来移除它们: 注意:在操作前务必备份文件! 例如,使用sed删除从包含"/*"开始到包含"*/"结束的注释块,并且这个注释块包含"Copyright"或"LICENSE"关键字: 但是sed默认是逐行处理,对于多行匹配处理较复杂。我们可以使用以下方式: 方法1:使用sed的跨行匹配(但不同平台sed版本支持不同,GNU sed支持,macOS的BSD sed可能不支持) 方法2:使用perl或python脚本 这里提供一个Python脚本的示例,用于删除以"/*"开头,以"*/"结尾的注释块,并且其中包含"Copyright"或"LICENSE"字样: ```python import os import re # 定义要处理的目录,这里假设是当前目录 directory = '.' # 定义匹配多行注释的正则表达式,注意:这里使用非贪婪匹配 pattern = re.compile(r'/\*.*?(Copyright|LICENSE).*?\*/', re.DOTALL) for root, dirs, files in os.walk(directory): for file in files: if file.endswith('.dart'): # 只处理.dart文件,根据项目实际情况调整 file_path = os.path.join(root, file) with open(file_path, 'r') as f: content = f.read() # 替换掉匹配的注释块 new_content = pattern.sub('', content, count=1) # 只替换第一个匹配(通常头在文件开头) # 如果内容有变化,则写回文件 if new_content != content: with open(file_path, 'w') as f: f.write(new_content) ``` 注意:这个脚本会删除第一个包含"Copyright"或"LICENSE"的多行注释块。但是,有些文件可能有多个注释块,而我们只想删除开头的那个。此外,有些文件的头可能不是多行注释(比如使用//的单行注释),则需要调整正则表达式。 因此,我们需要根据实际的头格式来调整脚本。 对于任务2: 我们需要知道具体的XML配置文件路径和需要做的修改。如果是要清空整个文件,直接覆盖写入空内容即可。如果是删除某些节点,则需要使用XML解析工具。 假设我们有一个XML文件,需要清空某个标签内的内容,比如清空<configuration>标签内的所有子节点,但保留<configuration>标签本身。 使用Python的xml.etree.ElementTree模块: ```python import xml.etree.ElementTree as ET # 假设文件名为config.xml tree = ET.parse('config.xml') root = tree.getroot() # 找到configuration标签,并清空其所有子节点 config_elem = root.find('configuration') if config_elem is not None: config_elem.clear() # 清空所有子节点 # 保存修改 tree.write('config.xml') ``` 但是,如果是要清空整个文件的内容(即变成空文件),则很简单: ```python with open('config.xml', 'w') as f: f.write('') ``` 由于问题中没有具体说明,我们只能提供这些可能的方案。 总结: 1. 对于许可证头和版权头的移除,需要根据实际文件格式编写脚本批量处理。 2. 对于XML配置文件的修改,需要明确具体操作。 如果用户能提供更多细节(例如无效头的具体示例,XML配置文件的结构和需要做的修改),我们可以提供更具体的脚本。 </think> 基于您的需求,我将分别解决两个任务:处理无效许可证/版权头和操作XML配置文件。以下是具体解决方案: ### 任务1:解决65个文件的许可证头和版权头无效问题 建议使用自动化脚本批量处理,以下提供两种解决方案: #### 方案A:使用Python脚本(推荐) ```python import os import re # 配置参数 PROJECT_ROOT = 'flutter_traceroute_test-main' # 项目根目录 INVALID_HEADER_PATTERNS = [ r'^\/\/\s*Copyright.*?\n', # 匹配// Copyright...格式 r'^\/\*\!\s*license.*?\*\/\s*\n', # 匹配/*! license...*/格式 r'^#.*?license.*?\n' # 匹配# license...格式 ] def remove_invalid_headers(file_path): with open(file_path, 'r+') as f: content = f.read() original_length = len(content) # 移除所有匹配的无效头 for pattern in INVALID_HEADER_PATTERNS: content = re.sub(pattern, '', content, flags=re.IGNORECASE|re.DOTALL) # 重写文件并截断 if len(content) != original_length: f.seek(0) f.write(content) f.truncate() # 遍历项目文件 for root, dirs, files in os.walk(PROJECT_ROOT): for file in files: if file.endswith(('.dart', '.kt', '.java', '.swift')): # 根据实际扩展名调整 remove_invalid_headers(os.path.join(root, file)) ``` #### 方案B:命令行批量处理(Linux/macOS) ```bash # 移除Dart文件中的无效头 find flutter_traceroute_test-main -name "*.dart" -exec sed -i '' '/\/\/.*\(license\|copyright\)/Id' {} + # 移除Android文件中的无效头 find flutter_traceroute_test-main -name "*.kt" -exec sed -i '' '/\/\/.*\(license\|copyright\)/Id' {} + find flutter_traceroute_test-main -name "*.java" -exec sed -i '' '/\/\/.*\(license\|copyright\)/Id' {} + # 移除iOS文件中的无效头 find flutter_traceroute_test-main -name "*.swift" -exec sed -i '' '/\/\/.*\(license\|copyright\)/Id' {} + ``` ### 任务2:XML配置文件操作 根据常见需求,提供三类XML操作方案: #### 方案1:清空整个XML文件 ```python def clear_xml_file(file_path): with open(file_path, 'w') as f: f.write('<?xml version="1.0" encoding="UTF-8"?>\n<root/>') # 最小化结构 # 如需完全清空:f.write('') ``` #### 方案2:移除特定节点(示例:移除所有<license>节点) ```python import xml.etree.ElementTree as ET def remove_xml_elements(file_path, tag_name): tree = ET.parse(file_path) root = tree.getroot() # 移除所有指定标签 for element in root.findall(f'.//{tag_name}'): root.remove(element) tree.write(file_path, encoding='utf-8', xml_declaration=True) # 使用示例 remove_xml_elements('config.xml', 'license') ``` #### 方案3:修改特定节点值 ```python def update_xml_values(file_path, updates_dict): tree = ET.parse(file_path) root = tree.getroot() for xpath, new_value in updates_dict.items(): element = root.find(xpath) if element is not None: element.text = new_value tree.write(file_path, encoding='utf-8', xml_declaration=True) # 使用示例 updates = { './/version': '3.0.0', './/author/name': 'New Maintainer' } update_xml_values('config.xml', updates) ``` ### 操作前重要提示 1. **备份文件**:执行前务必备份项目 ```bash cp -r flutter_traceroute_test-main flutter_traceroute_test-main-BACKUP ``` 2. **验证模式**:先在单个文件测试脚本效果 3. **许可证合规**:移除后需确保符合[许可证要求](https://opensource.org/licenses) 4. **XML结构调整**:复杂XML操作建议使用`lxml`库替代标准库 > **注意事项**: > - 许可证头通常包含法律声明,移除前需确认法律允许 > - XML修改可能影响应用功能,建议配合单元测试 > - Flutter项目特别注意`pubspec.yaml`中的许可证声明[^1] 如果需要针对具体文件格式或XML结构进行定制,请提供示例文件片段。
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